125404247 has 8 divisors (see below), whose sum is σ = 127373472. Its totient is φ = 123440800.

The previous prime is 125404241. The next prime is 125404277. The reversal of 125404247 is 742404521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125404247 - 2¹² = 125400151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125404241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65873 + ... + 67749.

It is an arithmetic number, because the mean of its divisors is an integer number (15921684).

Almost surely, 2^125404247 is an apocalyptic number.

125404247 is a deficient number, since it is larger than the sum of its proper divisors (1969225).

125404247 is an equidigital number, since it uses as much as digits as its factorization.

125404247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 125404247 is about 11198.4037701808. The cubic root of 125404247 is about 500.5384160083.

Adding to 125404247 its reverse (742404521), we get a palindrome (867808768).

The spelling of 125404247 in words is "one hundred twenty-five million, four hundred four thousand, two hundred forty-seven".